These dark lines, although of the same character as those in
the vallum proper, have all the appearances of independent
lamination. They are almost certainly not protractions of the
series of lines in the vallum proper. The lines in the expansion
begin a very short distance from the whitish strip—a break is

[The spar on the left stood perpendicular against the south face of the south kerb ;
the handkerchief lay on the south kerb; the two-foot-rule 5 feet above the
kerbing had one end placed against the south face of the clayey matter, the
other extended towards the perpendicular of the kerb.]

visible all the way down between the lines in the vallum and
those in the expansion—and they continue to a point a foot or
thereby from the apparent termination of the stone base of the
expansion. No dark line can be traced further south than the
apparent termination of the stone base, 18 feet south of the south